src/share/vm/runtime/advancedThresholdPolicy.cpp

rev 9644 : 8145096: Undefined behaviour in HotSpot
Summary: Fix some integer overflows
Reviewed-by: duke

*** 131,141 ****
  bool AdvancedThresholdPolicy::is_old(Method* method) {
    return method->invocation_count() > 50000 || method->backedge_count() > 500000;
  }
  
  double AdvancedThresholdPolicy::weight(Method* method) {
!   return (method->rate() + 1) * ((method->invocation_count() + 1) *  (method->backedge_count() + 1));
  }
  
  // Apply heuristics and return true if x should be compiled before y
  bool AdvancedThresholdPolicy::compare_methods(Method* x, Method* y) {
    if (x->highest_comp_level() > y->highest_comp_level()) {
--- 131,142 ----
  bool AdvancedThresholdPolicy::is_old(Method* method) {
    return method->invocation_count() > 50000 || method->backedge_count() > 500000;
  }
  
  double AdvancedThresholdPolicy::weight(Method* method) {
!   return (double)(method->rate() + 1) *
!     (method->invocation_count() + 1) * (method->backedge_count() + 1);
  }
  
  // Apply heuristics and return true if x should be compiled before y
  bool AdvancedThresholdPolicy::compare_methods(Method* x, Method* y) {
    if (x->highest_comp_level() > y->highest_comp_level()) {